Texas Business Organizations Code - BUS ORG § 21.607. Application of Moratorium

(A) the original articles of incorporation or certificate of formation, as applicable, or the original bylaws of the corporation contain a provision expressly electing not to be governed by this subchapter;

(B) before December 31, 1997, the corporation adopted an amendment to the articles of incorporation or bylaws of the corporation expressly electing not to be governed by this subchapter;  or

(C) after December 31, 1997, the corporation adopts an amendment to the articles of incorporation or certificate of formation, as applicable, or the bylaws of the corporation, approved by the affirmative vote of the holders, other than an affiliated shareholder or an affiliate or associate of the affiliated shareholder, of at least two-thirds of the outstanding voting shares of the issuing public corporation, expressly electing not to be governed by this subchapter, except that the amendment to the articles of incorporation or certificate of formation, as applicable, or the bylaws takes effect 18 months after the date of the vote and does not apply to a business combination of the issuing public corporation with an affiliated shareholder whose share acquisition date is on or before the effective date of the amendment;

(A) as soon as practicable divests itself of a sufficient number of the voting shares of the issuing public corporation so that the affiliated shareholder no longer is the beneficial owner, directly or indirectly, of 20 percent or more of the outstanding voting shares of the issuing public corporation;  and

(B) would not at any time within the three-year period preceding the announcement date of the business combination have been an affiliated shareholder except for the inadvertent acquisition;